PATAGONIA. 84622FEA. DOWN SWEATER VEST. FEATHER GREY.The perfect warmth for just about everything our classic Down Sweater Vest is lightweight and windproof with a 100 recycled polyester ripstop shell and 800-fill-power Traceable Down 800-fill-power goose down from geese traced from parent farm to apparel factory to help ensure the birds that supply it are not force-fed or live-plucked as certified by NSF an independent third party .